(function($){

 	$.fn.largePhotoBox = function(settings) {
		
		// Settings to configure the jQuery largePhotoThickBox plugin how you like
		settings = jQuery.extend({
			// Configuration related to overlay
			overlayBgColor: 		'#000',		// (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
			overlayOpacity:			0.8,		// (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9

			// Configuration related to images
			imageLoading:			'images/largephotobox-ico-loading.gif',		// (string) Path and the name of the loading icon
			imageBtnPrev:			'images/lightbox-btn-prev.gif',			// (string) Path and the name of the prev button image
			imageBtnNext:			'images/lightbox-btn-next.gif',			// (string) Path and the name of the next button image
			imageBtnClose:			'images/largephotothickbox-btn-close.png',		// (string) Path and the name of the close btn
			
			// Configuration related to keyboard navigation
			keyToClose:				'c',		// (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
			keyToPrev:				'p',		// (string) (p = previous) Letter to show the previous image
			keyToNext:				'n',		// (string) (n = next) Letter to show the next image.
			
			// Don't alter these variables in any way
			imageArray:				[],
			activeImage:			0
		},settings);

		// Global variables
		var arrPageSizes = [];

		// Caching the jQuery object with all elements matched
		var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
		/**
		 * Initializing the plugin calling the start function
		 *
		 * @return boolean false
		 */
		function _initialize() {
			_start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
			return false; // Avoid the browser following the link
		}

		/**
		 * Start the jQuery largePhotoBox plugin
		 *
		 * @param object objClicked The object (link) whick the user have clicked
		 * @param object jQueryMatchedObj The jQuery object with all elements matched
		 */
		function _start(objClicked,jQueryMatchedObj) {
			// Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
			$('embed, object, select').css({ 'visibility' : 'hidden' });
			// Call the function to create the markup structure; style some elements; assign events in some elements.
			_set_interface();
			// Unset total images in imageArray
			settings.imageArray.length = 0;
			// Unset image active information
			settings.activeImage = 0;
			// We have an image set? Or just an image? Let's see it.
			if ( jQueryMatchedObj.length == 1 ) {
				settings.imageArray.push(new Array(objClicked.getAttribute('href')));
			} else {
				// Add an Array (as many as we have), with href atribute, inside the Array that storage the images references		
				for ( var i = 0; i < jQueryMatchedObj.length; i++ ) {
					settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href')));
				}
			}
			while ( settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href') ) {
				settings.activeImage++;
			}
			// Call the function that prepares image exibition
			_set_image_to_view();
		}

		/**
		 * Prepares image exibition; doing a image's preloader to calculate it's size
		 *
		 */
		function _set_image_to_view() { // show the loading
			// Image preload process
			var objImagePreloader = new Image();
			
			objImagePreloader.onload = function() {
				$('#largephotobox-image').attr('src',settings.imageArray[settings.activeImage][0]);
				
				// Perfomance an effect in the image container resizing it
				_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
				
				// clear onLoad, IE behaves irratically with animated gifs otherwise
				objImagePreloader.onload=function(){};
			};
			objImagePreloader.src = settings.imageArray[settings.activeImage][0];
		};

		/**
		 * Perfomance an effect in the image container resizing it
		 *
		 * @param integer intImageWidth The image's width that will be showed
		 * @param integer intImageHeight The image's height that will be showed
		 */
		function _resize_container_image_box(intImageWidth,intImageHeight) {
			/*// Get current width and height
			var intCurrentWidth = $('#lightbox-container-image-box').width();
			var intCurrentHeight = $('#lightbox-container-image-box').height();
			
			// Get the width and height of the selected image plus the padding
			var intWidth = (intImageWidth + (settings.containerBorderSize * 2)); // Plus the image's width and the left and right padding value
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the image's height and the left and right padding value
			
			// Diferences
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;*/

			// Verify image sizes with page sizes
			var imageMaxWidth = arrPageSizes[2] - 40;
			var imageMaxHeight = arrPageSizes[3] - 40;

			if (imageMaxWidth < intImageWidth) {
				$('#largephotobox-container,#largephotobox-container-image').width(imageMaxWidth);
			}
			else {
				$('#largephotobox-container,#largephotobox-container-image').width(intImageWidth);
			}
			
			if (imageMaxHeight < intImageHeight) {
				$('#largephotobox-container,#largephotobox-container-image').height(imageMaxHeight);
			}
			else {
				$('#largephotobox-container,#largephotobox-container-image').height(intImageHeight);
			}
			
			$('#largephotobox-container-image').mousemove(function(e){
				var pos_x = $('#largephotobox-container-image').offset().left;
				var pos_y = $('#largephotobox-container-image').offset().top;
				
				var container_x = $('#largephotobox-container-image').width();
				var container_y = $('#largephotobox-container-image').height();
				
				var conteudo_x = $('#largephotobox-image').width();
				var conteudo_y = $('#largephotobox-image').height();
				
				var diferenca_x = conteudo_x - container_x;
				var diferenca_y = conteudo_y - container_y;
				
				var metade_x = - parseInt(diferenca_x / 2);
				var metade_y = - parseInt(diferenca_y / 2);
				
				porcentagem_x = parseInt( (e.pageX - pos_x) / container_x * 100);
				porcentagem_y = parseInt( (e.pageY - pos_y) / container_y * 100);
				leftPosition = parseInt(0 - (diferenca_x  / 100 * porcentagem_x ));
				topPosition = parseInt(0 - (diferenca_y  / 100 * porcentagem_y ));
				$('#largephotobox-image').css({
					top: topPosition,
					left: leftPosition
				});
			});

			/*// Perfomance the effect
			$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
			if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
				if ( $.browser.msie ) {
					___pause(250);
				} else {
					___pause(100);
				}
			}
			
			$('#lightbox-container-image-data-box').css({ width: intImageWidth });
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });*/
		};

		/**
		 * Create the jQuery largePhotoBox plugin interface
		 *
		 * The HTML markup will be like that:
			<div id="jquery-overlay"></div>
			<div id="jquery-largephotobox">
				<div id="largephotobox-container">
					<a href="#" id="largephotobox-btnclose">
						<img src="">
					</a>
					<div id="largephotobox-container-image">
						<img src="" id="largephotobox-image">
					</div>
					<div id="largephotobox-container-image-data">
						<div id="largephotobox-image-details">
							<span id="largephotobox-image-details-caption">
								Utilize a flexibilidade dos seletores da jQuery e crie um grupo de imagens como desejar.
							</span>
							<span id="largephotobox-image-details-currentnumber">
								Image 4 of 5
							</span>
						</div>
						<div id="largephotobox-nav">
							<a id="largePhotoBox-nav-btnprev" href="#">
								<img src="">
							</a>
							<a id="largephotobox-nav-btnnext" href="#">
								<img src="">
							</a>
						</div>
					</div>
				</div>
			</div>
		 *
		 */
		function _set_interface() {
			// Apply the HTML markup into body tag
			$('body').append('<div id="jquery-overlay"></div><div id="jquery-largephotobox" style="background:transparent url(' + settings.imageLoading + ') no-repeat scroll center"><div id="largephotobox-container"><a href="#" id="largephotobox-btnclose"><img src="' + settings.imageBtnClose + '"></a><div id="largephotobox-container-image"><img src="" id="largephotobox-image"></div><div id="largephotobox-container-image-data" style="display:none"><div id="largephotobox-image-details"><span id="largephotobox-image-details-caption"></span><span id="largephotobox-image-details-currentnumber"></span></div><div id="largephotobox-nav"><a id="largePhotoBox-nav-btnprev" href="#"><img src=""></a><a id="largephotobox-nav-btnnext" href="#"><img src=""></a></div></div></div></div>');	

			// Get page sizes
			arrPageSizes = ___getPageSize();

			// Style overlay  and show it
			$('#jquery-overlay').css({
				backgroundColor:	settings.overlayBgColor,
				opacity:			settings.overlayOpacity,
				width:				arrPageSizes[0],
				height:				arrPageSizes[1]
			}).fadeIn();

			// Set width and height to jquery-largephotobox div
			$('#jquery-largephotobox').css({
				width:				arrPageSizes[2] - 40,
				height:				arrPageSizes[3] - 40,
			    marginTop:          - ((arrPageSizes[3] - 40) / 2)
			})

			// Assigning click events in elements to close overlay
			$('#jquery-largephotobox').click(function() {
				_finish();
			});

			// Assign the _finish function to largephotothickbox-btnClose objects
			$('#largephotobox-btnclose').click(function() {
				_finish();
				return false;
			});

			// If window was resized, calculate the new overlay dimensions
			$(window).resize(function() {
				// Get page sizes
				var arrPageSizes = ___getPageSize();
				
				$('#jquery-largephotobox').css({
					width:		arrPageSizes[2] - 40,
					height:		arrPageSizes[3] - 40
				});

				// Set width and height to overlay and jquery-largephotobox div
				$('#jquery-overlay').css({
					width:		arrPageSizes[0],
					height:		arrPageSizes[1]
				});
			});
		}
		
		/**
		 * Remove jQuery largePhotoBox plugin HTML markup
		 *
		 */
		function _finish() {
			$('#jquery-largephotobox').remove();
			$('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
			
			// Show some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
			$('embed, object, select').css({ 'visibility' : 'visible' });
		}

		/**
		 / THIRD FUNCTION
		 * getPageSize() by quirksmode.com
		 *
		 * @return Array Return an array with page width, height and window width, height
		 */
		function ___getPageSize() {
			var xScroll, yScroll;
			if (window.innerHeight && window.scrollMaxY) {	
				xScroll = window.innerWidth + window.scrollMaxX;
				yScroll = window.innerHeight + window.scrollMaxY;
			} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
				xScroll = document.body.scrollWidth;
				yScroll = document.body.scrollHeight;
			} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
				xScroll = document.body.offsetWidth;
				yScroll = document.body.offsetHeight;
			}
			var windowWidth, windowHeight;
			if (self.innerHeight) {	// all except Explorer
				if(document.documentElement.clientWidth){
					windowWidth = document.documentElement.clientWidth;
				} else {
					windowWidth = self.innerWidth;
				}
				windowHeight = self.innerHeight;
			} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
				windowWidth = document.documentElement.clientWidth;
				windowHeight = document.documentElement.clientHeight;
			} else if (document.body) { // other Explorers
				windowWidth = document.body.clientWidth;
				windowHeight = document.body.clientHeight;
			}
			// for small pages with total height less then height of the viewport
			if(yScroll < windowHeight){
				pageHeight = windowHeight;
			} else {
				pageHeight = yScroll;
			}
			// for small pages with total width less then width of the viewport
			if(xScroll < windowWidth){
				pageWidth = xScroll;
			} else {
				pageWidth = windowWidth;
			}
			arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
			return arrayPageSize;
		};

		/**
		 / THIRD FUNCTION
		 * getPageScroll() by quirksmode.com
		 *
		 * @return Array Return an array with x,y page scroll values.
		 */
		function ___getPageScroll() {
			var xScroll, yScroll;
			if (self.pageYOffset) {
				yScroll = self.pageYOffset;
				xScroll = self.pageXOffset;
			} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if (document.body) {// all other Explorers
				yScroll = document.body.scrollTop;
				xScroll = document.body.scrollLeft;	
			}
			arrayPageScroll = new Array(xScroll,yScroll);
			return arrayPageScroll;
		};

		// Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
		return this.unbind('click').click(_initialize);

	};
	
})(jQuery);